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27/10/1998 14:04:07
 
 
À
27/10/1998 14:00:57
Nancy Folsom
Pixel Dust Industries
Washington, États-Unis
Information générale
Forum:
Visual FoxPro
Catégorie:
Codage, syntaxe et commandes
Titre:
Divers
Thread ID:
00151073
Message ID:
00151167
Vues:
26
No sweat :-D

Because you wouldn't want to pessimistic lock an entire table and you're forced to table lock in Grids which is what you'd be using a lot of to show parent-child relationships.

>Okay, but then why wouldn't you wouldn't use pessimistic locking on the child? (I'm sorry, I'm being very thick, I know).
>
>>Not *if* the only access to the child records was via the parent row's data entry form.
>>
>>>Okay, I think I'm catching up <s>. IOW, if you pessimistically lock the parent table, then the children are...What? Another user can't change the parent that you have locked, but they could change the children, could they not?
>>>
------------------------------------------------
John Koziol, ex-MVP, ex-MS, ex-FoxTeam. Just call me "X"
"When the going gets weird, the weird turn pro" - Hunter Thompson (Gonzo) RIP 2/19/05
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